CVE-2026-108463

CVE-2026-108463 · Windows SmartScreen Security Feature Bypass Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

CVSS 8.8 · High · EPSS 0.9% · Fix available

Affected products and versions

windows 11 version 24h2
Versions
- ≥ 10.0.26100.0, < 10.0.26100.9711: Affected (custom)
Update to 10.0.26100.9711
windows 11 version 25h2
Versions
- ≥ 10.0.26200.0, < 10.0.26200.9711: Affected (custom)
Update to 10.0.26200.9711
windows 11 version 26h1
Versions
- ≥ 10.0.28000.0, < 10.0.28000.3231: Affected (custom)
Update to 10.0.28000.3231
windows 11 version 26h2
Versions
- ≥ 10.0.26300.0, < 10.0.26300.9711: Affected (custom)
Update to 10.0.26300.9711